Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
18
:
9
=
=
2.
15
:
5
=
=
3.
28
:
7
=
=
4.
45
:
5
=
=
5.
16
:
8
=
=
6.
21
:
7
=
=
7.
100
:
10
=
=
8.
1
:
1
=
=
9.
48
:
6
=
=
10.
72
:
8
=
=
11.
21
:
3
=
=
12.
6
:
6
=
=
13.
8
:
4
=
=
14.
6
:
1
=
=
15.
18
:
9
=
=
16.
12
:
4
=
=
17.
20
:
4
=
=
18.
20
:
5
=
=
19.
60
:
6
=
=
20.
50
:
10
=
=
21.
4
:
1
=
=

Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
18
:
9
=
=
2
2.
15
:
5
=
=
3
3.
28
:
7
=
=
4
4.
45
:
5
=
=
9
5.
16
:
8
=
=
2
6.
21
:
7
=
=
3
7.
100
:
10
=
=
10
8.
1
:
1
=
=
1
9.
48
:
6
=
=
8
10.
72
:
8
=
=
9
11.
21
:
3
=
=
7
12.
6
:
6
=
=
1
13.
8
:
4
=
=
2
14.
6
:
1
=
=
6
15.
18
:
9
=
=
2
16.
12
:
4
=
=
3
17.
20
:
4
=
=
5
18.
20
:
5
=
=
4
19.
60
:
6
=
=
10
20.
50
:
10
=
=
5
21.
4
:
1
=
=
4